the u.s. in early 2012 to promote relations. his counterpart, vice president joe biden, was with him for much of the five-day visit. >> xi showed that on some issues the two governments will not necessarily see eye to eye. >> reporter: xi will likely be joined at the top by the man widely expected to become china's next premier. >> lee became a member of the politburo standing committee in 2007. he skipped the stage of politburo member during the communist party convention along with xi jinping. lee became vice premier in 2008. lee is 57 years old. he hails from a province and is currently in charge of domestic policy. >> li studied law at the prestigious beijing university, where he went on to get a ph.d. in economics. hiss classmate told us li also dedicated himself to studying english. he said the man who will become china's premier show nod sign he would become a politician. >> i think every single day he had a lot of tickets in his pocket. in one side, he write english, another side, chin